凭证下载审计优化

src/Jiaowu.Api/Controllers/EvaluationsController.cs

@@ -606,7 +606,7 @@ public sealed record EvaluationScoreRequest(
 
 public sealed record TeacherEvaluationTaskResult(
     Guid SetupId,
-    string Name,
+    string SetupName,
     TeacherEvaluationTask Task,
     int StudentCount,
     double AverageTotal,

src/Jiaowu.Api/Controllers/OfficialDocumentsController.cs

@@ -227,14 +227,24 @@ public sealed class OfficialDocumentsController(
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> DownloadHistory(
         Guid id,
-        CancellationToken cancellationToken)
+        CancellationToken cancellationToken,
+        int page = 1,
+        int pageSize = 20)
     {
+        if (page < 1 || pageSize is < 1 or > 100)
+            return ValidationProblem("页码必须大于 0，且每页条数应在 1 至 100 之间。");
+
         if (!await AccessibleDocuments().AnyAsync(x => x.Id == id, cancellationToken))
             return NotFound();
 
-        return Ok(await db.OfficialDocumentDownloads.AsNoTracking()
+        var source = db.OfficialDocumentDownloads.AsNoTracking()
             .Where(x => x.OfficialDocumentId == id)
             .OrderByDescending(x => x.CreatedAt)
+            .ThenByDescending(x => x.Id);
+        var total = await source.CountAsync(cancellationToken);
+        var items = await source
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
             .Select(x => new
             {
                 x.Id,
@@ -244,7 +254,8 @@ public sealed class OfficialDocumentsController(
                 x.IpAddress,
                 x.UserAgent
             })
-            .ToListAsync(cancellationToken));
+            .ToListAsync(cancellationToken);
+        return Ok(new PagedResult<object>(items, total, page, pageSize));
     }
 
     [HttpPost("{id:guid}/invalidate")]